Pith Number

pith:UN5YNMOO

pith:2020:UN5YNMOOBY5GHJKA3F5FDPRVKW

not attested not anchored not stored refs pending

Quantum Darwinism and the spreading of classical information in non-classical theories

Andrew J. P. Garner, Marius Krumm, Markus P. Mueller, Roberto D. Baldijao

arxiv:2012.06559 v2 · 2020-12-11 · quant-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UN5YNMOOBY5GHJKA3F5FDPRVKW}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T03:52:54.956498Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a37b86b1ce0e3a63a540d97a51be355593267f823778d95bf7e1b418d9f2d817

Aliases

arxiv: 2012.06559 · arxiv_version: 2012.06559v2 · doi: 10.48550/arxiv.2012.06559 · pith_short_12: UN5YNMOOBY5G · pith_short_16: UN5YNMOOBY5GHJKA · pith_short_8: UN5YNMOO

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/UN5YNMOOBY5GHJKA3F5FDPRVKW \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: a37b86b1ce0e3a63a540d97a51be355593267f823778d95bf7e1b418d9f2d817

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5af97f4308010b7f9c6be85eadf3ff1c490814b248e7524e226ebd18bf81175e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-12-11T18:40:16Z",
    "title_canon_sha256": "0e84a4ccc34fe35db722144fac3df2a62a408fddd9cbcc560635207c7a696fa0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.06559",
    "kind": "arxiv",
    "version": 2
  }
}